Look at these statements on the future of the environment made by a scientist. How certain is he about each statement? Match the statements to the categories.

• Группы
  • 100% sure it will happen
  • 50% sure
  • 100 % sure it won’t happen
• Варианты
  • There’s no doubt at all that the Earth is getting warmer.
  • There will be many other effects.
  • The USA and Russia could suffer from drought.
  • Earth can’t heat up by 4 degrees so quickly.